ome / My Courses / CHEM201L3463_2021-2022 1STSEM-SEM_CASE / Examination /1. CHEM201L(3463);2021-20SEM 8:00am-10:00amQuestion 32Not vet answeredFlagquestion,Which equation is correctly balanced?a. 2Al + 6HNO3-Al (NO3)3 - 3Hab. 2Mg 6H2 SO,-aMg SO=3H2ZnCl2 - 3H2C.2Zn 6HC12d. 2H2 SO4+ 6NAOH 2Naz SO4-3H2 OTime let ora28:2225°C

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Balance the equation. ______ H3PO4 + _____ KOH = _______ K3PO4 + ___ H2O
Which of the following equations is balanced? A. 3Mg(s) + N (g)- Mg,N2(s) B. 3Mg(s) + 2N, 2Mg N,(s) C. 3Mg(s)+ 2N +3MB3N,(s) D. 2Mg(s) + 2N +2Mg,N,(s)
PLEASE ANSWER IT ALL NO NEED TO EXPLAIN JUST CHOOSE THE LETTER 1. The equation for the synthesis of ammonia is N 2 + 3H 2 à 2NH 3 . How many moles of H 2 are needed to produce 6 mol NH 3 ? a. 4 b. 6 c. 8 d. 9 2. What mass of copper is produced when 3.8 g of iron reacts with excess copper(II) sulphate according to the equation Fe + CuSO 4 à FeSO 4 + Cu? a. 6.4 g b. 4.3 g c. 3.3 g d. 3.8 g 3. If 16.4 g Na 2 CrO 4 are combined with 26.2 g AgNO 3 in a double-replacement reaction, what will be the limiting reactant? a. Na 2 CrO 4 b. AgNO 3 c. NaNO 3 d. Ag 2 CrO 4 4. Magnesium reacts with hydrochloric acid according to the following equation: Mg + 2HCl à MgCl 2 + H 2 . If 0.30 mol Mg reacts, how many molecules of HCl will also react? a. 2.0 x 10 24 b. 1.8 x 10 23 c. 3.0 x 10 23 d. 3.6 x 10 23 5. If 3.0 L CH 4 are burned according to the equation CH 4 + 2O 2 à CO 2 + 2H 2 O a. 3.0 L. b. 44 L. c. 132 L. d. 6.0 L.
Percent yield. 4Fe + 3O2 ---> 2Fe2 O3 Starting with 320g of oxygen gas you produce 75g of Iron(iii) oxide. What is the percent yield?
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Will give thumbs up if all are answered correctly. 1. Balance the following chemical equations. a.) ___NaNO3 + ____ PbO --> _____Pb(NO3)2 + ____ Na2O b.) ___AgBr + GaPO4 --> ___Ag3PO4 + ____GaBr3 c.) ____Fe + ____AgNO3 --> ____Fe(NO3)2 + ____Ag Will give thumbs up if all are answered. Thanks
Select any equation that is properly balanced. [You may select more than one answer.] 2Fe + 302 Fe203 O C4H6O3 + H2O 2C2H4O2 O 4H2SİCI2 + 4H2O HgSi404 + 8HCI O 2FEB13 + 3H2SO4 Fe2(SO4)3 + 3HBR O C2H4 + 302 2CO2 + 2H20
Is this balanced? CuCl2 + H2S CuS + 2NCI COUNT HOW MANY YOU HAVE ON EACH SIDE!! If "NO," please write the balanced equation below (Do not worry about making numbers subscripts)! Yes No GO
Balance each of the following chemical reaction equations. Any "blanks" will be considered to be the coefficient value 1. L02 - Cu(NO3)2 - а. СЗН8 + CO2 + H2O b. Na2S + NaNO3 + Cus С. HCl + K2CO3 – H2O + CO2 + KCI

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Question 32 Not yet answered Marked out of D Flag question Which equation is correctly balanced? 2Al - 6HNO3- -3H2 b. 2Mg 6H2 SO4-2Mg S04-3H2 2-ZnCl2 3H2 2Al (NO3)3 a. C. 2Zn 6HCl2 d. 2H2 SO4- 6NAOH 2Naz SO4 -3H2 O